The AWSHC(X) Series (C-PSC , X-ECM Motors) Horizontal Water Source Heat Pumps are available in nine sizes from 3/4 Ton to 5 Ton. Optional voltages include 208/230V-1-60, 265V-1-60 for all sizes, and 208/230V-3-60, 460V-3-60 for 3 Ton to 5 Ton.